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Author : Anonim
Publisher : Unknown
Page : 92 pages
File Size : 53,5 Mb
Release : 2001
Category : Forest protection
ISBN : MINN:31951D03000024H
Author : Anonim
Publisher : Unknown
Page : 422 pages
File Size : 53,8 Mb
Release : 1998
Category : Forests and forestry
ISBN : UCBK:C094346795
Author : W. F. Mueggler
Publisher : Unknown
Page : 16 pages
File Size : 40,7 Mb
Release : 1992
Category : Cliff Lake Research Natural Area (Mont.)
ISBN : MINN:31951D02988213F
Author : David N. Cole
Publisher : Unknown
Page : 704 pages
File Size : 49,5 Mb
Release : 1991
Category : Erosion
ISBN : STANFORD:36105110631699
Author : Anonim
Publisher : Unknown
Page : 256 pages
File Size : 44,9 Mb
Release : 1992
Category : Forests and forestry
ISBN : UOM:39015023794673
Author : Caryl L. Elzinga
Publisher : Unknown
Page : 28 pages
File Size : 52,7 Mb
Release : 1997
Category : Douglas fir
ISBN : MINN:31951D03009599T
Forest stand structure, understory composition, and tree seedling composition are described for eight permanent tenth-hectare plots established in Engelmann spruce/subalpine fir, western larch, and interior Douglas-fir forest cover types in northwestern Montana. Sites have been protected as examples of old-growth stands since the establishment of the Coram Research Natural Area in 1937. Plot data clearly illustrate a successional trend toward shade-tolerant conifers, placing old-growth stands at risk of loss from succession or catastrophic fire. Management issues associated with use of prescribed fire to maintain old-growth characteristics in natural areas are discussed.
Author : Roger C. Conner
Publisher : Unknown
Page : 952 pages
File Size : 42,6 Mb
Release : 1988
Category : Forest surveys
ISBN : STANFORD:36105119572027
Author : Anonim
Publisher : Unknown
Page : 32 pages
File Size : 48,5 Mb
Release : 2004
Category : Natural areas
ISBN : UOM:39015060959965
Author : Gerhard Wieser
Publisher : MDPI
Page : 268 pages
File Size : 48,5 Mb
Release : 2020-04-09
Category : Science
ISBN : 9783039286300
Concerns have been raised with respect to the state of high-altitude and high-latitude treelines, as they are anticipated to undergo considerable modifications due to global changes, and especially due to climate warming. As high-elevation treelines are temperature-limited vegetation boundaries, they are considered to be sensitive to climate warming. As a consequence, in this future, warmer environment, an upward migration of treelines is expected because low air and root-zone temperatures constrain their regeneration and growth. Despite the ubiquity of climate warming, treeline advancement is not a worldwide phenomenon: some treelines have been advancing rapidly, others have responded sluggishly or have remained stable. This variation in responses is attributed to the potential interaction of a continuum of site-related factors that may lead to the occurrence of locally conditioned temperature patterns. Competition amongst species and below-ground resources have been suggested as additional factors explaining the variability in the movement of treelines. This Special Issue (book) is dedicated to the discussion of treeline responses to changing environmental conditions in different areas around the globe.
Author : Melinda Moeur
Publisher : Unknown
Page : 20 pages
File Size : 49,6 Mb
Release : 1992
Category : Western hemlock
ISBN : MINN:31951D029882177
Author : Dorothy G. Felt
Publisher : Unknown
Page : 562 pages
File Size : 52,9 Mb
Release : 1980
Category : Forests and forestry
ISBN : STANFORD:36105119572001
Author : Anonim
Publisher : Unknown
Page : 534 pages
File Size : 41,8 Mb
Release : 1992
Category : Forests and forestry
ISBN : UCBK:C058689462
Author : United States. Department of Agriculture
Publisher : Unknown
Page : 128 pages
File Size : 47,5 Mb
Release : 1970
Category : Agriculture
ISBN : STANFORD:36105019619993
Author : Anonim
Publisher : Unknown
Page : 364 pages
File Size : 51,5 Mb
Release : 1989
Category : Forests and forestry
ISBN : UOM:39015014925203
Author : L. A. Joyce
Publisher : Unknown
Page : 148 pages
File Size : 54,8 Mb
Release : 1989
Category : Forage plants
ISBN : MINN:31951D02977873K